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Beate Heister
Born
US$19.1bn. Heister is a daughter of Aldi co-founder Karl Albrecht and an heir to the Aldi Sued fortune. The source lists her estimate individually, so this entry does not combine her wealth with her brother's. The image is a symbolic illustration of grocery retail.
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Nik Storonsky
Born
US$18.8bn. Storonsky co-founded Revolut, building a financial-services business around a digital platform. His entry represents an ownership stake in the company, not the customer money held through its services.
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Torstein Hagen
US$18.4bn. Hagen founded Viking in 1997 and developed its cruise business. His Norwegian citizenship determines inclusion here, illustrating why a European wealth list need not be limited to companies headquartered on the continent.
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Jim Ratcliffe
Born
US$18.4bn. Ratcliffe founded INEOS in 1998 and built a chemicals group through acquisitions. His later sports and vehicle interests are more visible to many readers, but chemicals remain the essential starting point for understanding the fortune.
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Ludwig Merckle
US$18.3bn. Merckle took over responsibility for the family group after his father's death and helped restructure its debts. Pharmaceutical distribution and industrial investments form part of a business story that includes both inheritance and financial recovery.
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John Collison
US$17.5bn. Collison co-founded Stripe with his brother Patrick. The company supplies payment infrastructure to businesses, making this an Irish founder's stake in a global software enterprise rather than wealth tied to a traditional national industry.
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